132001f49Smrg# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- 232001f49Smrg# 37ec3b29aSmrg# Copyright (C) 2004-2005, 2007-2008, 2011-2015 Free Software 47ec3b29aSmrg# Foundation, Inc. 532001f49Smrg# Written by Gary V. Vaughan, 2004 632001f49Smrg# 732001f49Smrg# This file is free software; the Free Software Foundation gives 832001f49Smrg# unlimited permission to copy and/or distribute it, with or without 932001f49Smrg# modifications, as long as this notice is preserved. 1032001f49Smrg 1132001f49Smrg# serial 6 ltsugar.m4 1232001f49Smrg 1332001f49Smrg# This is to help aclocal find these macros, as it can't see m4_define. 1432001f49SmrgAC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) 1532001f49Smrg 1632001f49Smrg 1732001f49Smrg# lt_join(SEP, ARG1, [ARG2...]) 1832001f49Smrg# ----------------------------- 1932001f49Smrg# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their 2032001f49Smrg# associated separator. 2132001f49Smrg# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier 2232001f49Smrg# versions in m4sugar had bugs. 2332001f49Smrgm4_define([lt_join], 2432001f49Smrg[m4_if([$#], [1], [], 2532001f49Smrg [$#], [2], [[$2]], 2632001f49Smrg [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) 2732001f49Smrgm4_define([_lt_join], 2832001f49Smrg[m4_if([$#$2], [2], [], 2932001f49Smrg [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) 3032001f49Smrg 3132001f49Smrg 3232001f49Smrg# lt_car(LIST) 3332001f49Smrg# lt_cdr(LIST) 3432001f49Smrg# ------------ 3532001f49Smrg# Manipulate m4 lists. 3632001f49Smrg# These macros are necessary as long as will still need to support 377ec3b29aSmrg# Autoconf-2.59, which quotes differently. 3832001f49Smrgm4_define([lt_car], [[$1]]) 3932001f49Smrgm4_define([lt_cdr], 4032001f49Smrg[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], 4132001f49Smrg [$#], 1, [], 4232001f49Smrg [m4_dquote(m4_shift($@))])]) 4332001f49Smrgm4_define([lt_unquote], $1) 4432001f49Smrg 4532001f49Smrg 4632001f49Smrg# lt_append(MACRO-NAME, STRING, [SEPARATOR]) 4732001f49Smrg# ------------------------------------------ 487ec3b29aSmrg# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. 4932001f49Smrg# Note that neither SEPARATOR nor STRING are expanded; they are appended 5032001f49Smrg# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). 5132001f49Smrg# No SEPARATOR is output if MACRO-NAME was previously undefined (different 5232001f49Smrg# than defined and empty). 5332001f49Smrg# 5432001f49Smrg# This macro is needed until we can rely on Autoconf 2.62, since earlier 5532001f49Smrg# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. 5632001f49Smrgm4_define([lt_append], 5732001f49Smrg[m4_define([$1], 5832001f49Smrg m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) 5932001f49Smrg 6032001f49Smrg 6132001f49Smrg 6232001f49Smrg# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) 6332001f49Smrg# ---------------------------------------------------------- 6432001f49Smrg# Produce a SEP delimited list of all paired combinations of elements of 6532001f49Smrg# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list 6632001f49Smrg# has the form PREFIXmINFIXSUFFIXn. 6732001f49Smrg# Needed until we can rely on m4_combine added in Autoconf 2.62. 6832001f49Smrgm4_define([lt_combine], 6932001f49Smrg[m4_if(m4_eval([$# > 3]), [1], 7032001f49Smrg [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl 7132001f49Smrg[[m4_foreach([_Lt_prefix], [$2], 7232001f49Smrg [m4_foreach([_Lt_suffix], 7332001f49Smrg ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, 7432001f49Smrg [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) 7532001f49Smrg 7632001f49Smrg 7732001f49Smrg# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) 7832001f49Smrg# ----------------------------------------------------------------------- 7932001f49Smrg# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited 8032001f49Smrg# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. 8132001f49Smrgm4_define([lt_if_append_uniq], 8232001f49Smrg[m4_ifdef([$1], 8332001f49Smrg [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], 8432001f49Smrg [lt_append([$1], [$2], [$3])$4], 8532001f49Smrg [$5])], 8632001f49Smrg [lt_append([$1], [$2], [$3])$4])]) 8732001f49Smrg 8832001f49Smrg 8932001f49Smrg# lt_dict_add(DICT, KEY, VALUE) 9032001f49Smrg# ----------------------------- 9132001f49Smrgm4_define([lt_dict_add], 9232001f49Smrg[m4_define([$1($2)], [$3])]) 9332001f49Smrg 9432001f49Smrg 9532001f49Smrg# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) 9632001f49Smrg# -------------------------------------------- 9732001f49Smrgm4_define([lt_dict_add_subkey], 9832001f49Smrg[m4_define([$1($2:$3)], [$4])]) 9932001f49Smrg 10032001f49Smrg 10132001f49Smrg# lt_dict_fetch(DICT, KEY, [SUBKEY]) 10232001f49Smrg# ---------------------------------- 10332001f49Smrgm4_define([lt_dict_fetch], 10432001f49Smrg[m4_ifval([$3], 10532001f49Smrg m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), 10632001f49Smrg m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) 10732001f49Smrg 10832001f49Smrg 10932001f49Smrg# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) 11032001f49Smrg# ----------------------------------------------------------------- 11132001f49Smrgm4_define([lt_if_dict_fetch], 11232001f49Smrg[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], 11332001f49Smrg [$5], 11432001f49Smrg [$6])]) 11532001f49Smrg 11632001f49Smrg 11732001f49Smrg# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) 11832001f49Smrg# -------------------------------------------------------------- 11932001f49Smrgm4_define([lt_dict_filter], 12032001f49Smrg[m4_if([$5], [], [], 12132001f49Smrg [lt_join(m4_quote(m4_default([$4], [[, ]])), 12232001f49Smrg lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), 12332001f49Smrg [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl 12432001f49Smrg]) 125